Calculate. Decide. Scale.
Lightweight tools for ROAS, CAC/LTV, payback, retention and pricing — designed to be fast, clear and shareable. No signup. Built for real-world inputs like fees, refunds and churn.
Popular tools
ROAS + profit estimator
Convert ROAS into profit by adding margin, fees and refunds. Includes break‑even ROAS.
CAC, LTV & ratio
Compute CAC, LTV and LTV:CAC. Add gross margin and churn for realistic results.
Payback period
How many months to recover CAC from contribution profit? Great for budget decisions.
Pricing quick check
Compute a floor price to hit your target margin after fees, COGS and refunds.
Featured guides
Evergreen explanations you can share with a teammate. Written for busy founders: no fluff, just definitions, formulas and examples.
FAQ (quick)
Do I need to create an account?
No. These calculators are designed to work instantly in your browser. Nothing is stored server‑side.
Which numbers should I use?
Use your last 30–90 days if you can. Small samples fluctuate. Start conservative: higher refunds, higher fees, lower margin.
Is this accurate enough for decisions?
It’s meant for fast decisions and sanity checks. For forecasting, use the calculators as a starting point, then build a full model.
Can I link to these tools?
Yes. Please do — the site is built to be shareable. If you cite numbers, clarify assumptions (margin, churn, fees).
Related topics
Popular search paths that bring consistent traffic over time:
- LTV:CAC ratio explained (with a practical health checklist)
- Churn & retention basics (definitions + common traps)
- Pricing for margin (fees, refunds, and discount safety)